Framework for dam safety in the NW from FERC’s perspective: what were the game changers and where are we headed?. Doug Johnson, P.E. Portland Regional Engineer. Game Changers. St. Francis Lower San Fernando Teton Taum Sauk Ka Loko Varick. St. Francis (1928). Why a Game Changer?.
Doug Johnson, P.E.
Portland Regional Engineer
During the fall, large schools of trophy Chinook salmon begin staging at the river mouth and make their way to the impassible Varick dam
Approximately 12:44 pm on September 28, 2010:
Four fishermen were swept downstream
By activating three generating units at High Dam and only one unit at Varick water spilled over the dam and water levels increased in the bypass reach of the Varick Development causing the fishermen to be caught off guard and swept off of their feet into the deep water in the tailrace channel.
Their location prior to being swept away was standing in the river in an area along the diversion wall between the bypass reach and tailrace channel